78339520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:918

約数の個数: 112

約数和(自身を含む): 218651328

約数和(自身を除く): 140311808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 320, 328, 410, 448, 560, 574, 656, 820, 853, 1120, 1148, 1312, 1435, 1640, 1706, 2240, 2296, 2624, 2870, 3280, 3412, 4265, 4592, 5740, 5971, 6560, 6824, 8530, 9184, 11480, 11942, 13120, 13648, 17060, 18368, 22960, 23884, 27296, 29855, 34120, 34973, 45920, 47768, 54592, 59710, 68240, 69946, 91840, 95536, 119420, 136480, 139892, 174865, 191072, 238840, 244811, 272960, 279784, 349730, 382144, 477680, 489622, 559568, 699460, 955360, 979244, 1119136, 1224055, 1398920, 1910720, 1958488, 2238272, 2448110, 2797840, 3916976, 4896220, 5595680, 7833952, 9792440, 11191360, 15667904, 19584880, 39169760, 78339520]

約数ペア:

[(1, 78339520), (2, 39169760), (4, 19584880), (5, 15667904), (7, 11191360), (8, 9792440), (10, 7833952), (14, 5595680), (16, 4896220), (20, 3916976), (28, 2797840), (32, 2448110), (35, 2238272), (40, 1958488), (41, 1910720), (56, 1398920), (64, 1224055), (70, 1119136), (80, 979244), (82, 955360), (112, 699460), (140, 559568), (160, 489622), (164, 477680), (205, 382144), (224, 349730), (280, 279784), (287, 272960), (320, 244811), (328, 238840), (410, 191072), (448, 174865), (560, 139892), (574, 136480), (656, 119420), (820, 95536), (853, 91840), (1120, 69946), (1148, 68240), (1312, 59710), (1435, 54592), (1640, 47768), (1706, 45920), (2240, 34973), (2296, 34120), (2624, 29855), (2870, 27296), (3280, 23884), (3412, 22960), (4265, 18368), (4592, 17060), (5740, 13648), (5971, 13120), (6560, 11942), (6824, 11480), (8530, 9184)]